Which of these is an empirical formula? A . C²h⁴
B. C⁴ H ¹⁰
C. P²O⁵
D. P⁴O⁶
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)